Received: 24 March 2020
Accepted: 4 November 2020
First Online: 17 November 2020
Ethics approval and consent to participate
: The study protocol was approved by the Research Ethics Committee of Iran University of Medical Sciences (IR.IUMS.REC1396.9323199002). The participation was voluntary. Written informed consent for participation was obtained from each participant after full disclosure of the aim of the study. We asked their permission for recording their voice during the interview. All data kept in an encrypted file and data analysis and reporting were conducted anonymously. Only the first author knew the identity of the participants and all transcribed interviews were saved incognito.
: Not applicable.
: There is no competing interest in the designing or reporting of the study.